Chain-shackle



A. S. REMSBERG.

CH'AIN SHACKLE.

APPLICATION FILED 001212, 1920.

Patented Oct, 11, 1921.

UNITED STATES PATENT OFFICE.

ARTHUR S. REMSBERG, OF, LAKEWOOD, OHIO, ASSIGNOR TO THE CHISHOLM-NIOORE MANUFACTURING COMPANY, OF CLEVELAND, OHIO, A CORIORATION OF OHIO.

GHAIN-SHACKLE.

To all whom it may concern:

Be it known that I, ARTHUR S. REMSBERG, a citizen of the United States, residing at Lakewood, in the county ofCuyahoga and State of Ohio, have invented a certain new and useful Improvement in Chain-Shackles, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings.

This invention relates to an improvement in clevises such as are used in connecting hooks'to hoist chains and cables.

The particular object of my invention is to provide a clevis of sufiicient strength and of a minimum number of parts which are of such shape that it may be economically manufactured.

A further purpose of the present inven tion is to provide a clevis that may be readily connected to a hoisting cable or'chain.

Thepractice heretofore has been, to pass a bolt through openingsin the clevises and the last link of a hoisting chain or through a loop 'in a hoisting cable, while in my invention a proper and safe coupling together of the hook and hoisting means may be easily accomplished without the use of a bolt.- To attain this object I have arranged the clevis members So that they interengage in such a manneras to eliminate the use of a bolt.

Referring to the drawings Figure l is a side elevation of a hook and chain connection embodying my invention, while Fig. 2 is a side elevation showing the relative proportions of the members of the connection or clevis to the chain links. In Fig. 3 I haveshown the clevis members as being disengaged, while Fig. 4 is a side elevation of one of the clevis members.

Designating the various parts by numerals, in Fig. 1, I have shown the end link 2 of a hoist chain as being engaged by an extension 10 which protrudes from the clevis member 3 approximately normal to the center line of the hook 6. This extension may have an oblong cross-section corresponding in width to approximately the width of the opening in the chain link and may be adapted to fit an oblong opening 12 in the clevis member 4 which may have a cross-section corresponding to the cross-section of the extension 10. This clevis member may correspond in contour to the member 3 with the exception of the extension 10.

Patented Oct.

Application med October 1 2, 1920. Serial No. 416,462.

As it is essential that means should be provided to permit 'free movement of the hook,=I have shown a hook swivel .7 with integralstuds '13 and 14 arranged coaxially cn'opposite sides of the swivel, one of which may be longer than the other and threaded to retain a nut as shown at Located at the lower end of the members 3 and 4 are holes 15 which are arranged to be coaxial whe nithe members are brought together by inserting the extension 10 in the opening 12, and may be of sufficient size to permit a turning movement of the hook" swivel 7,, when they are assembled on the studs 13 and 14, which are integral with the swivel.

In order to insure a correct assemblage of the parts I have provided an extension 16 of the stud 13, of smallerdiameter than the stud, that may be upsetto secure the washer 5 upon the stud and which may act-to maintain themember '3 loosely upon the hook swivel '7, so that only the clevis member 4 may be removed from the swivel to permit coupling of the hoisting means.

As I have arranged the contour of the members 13 and 14 to clear the hook anchor 11 and permit free movement of the same as the hook is turned about the stud centers or its own center, theymust'necessarily take the shape of a yoke when assembling, which may be accomplished by passing the extension 10 through the link 2 and then respectively inserting the threaded swivel stud 14 and extension "10 inthe openings 15 and 12 of the member 4 and then securing that member by means of the washer 9 and nut 14.

From the foregoing description it is to be seen that I haveinvented a hook coupling that is composed of a minimum number of parts which are of such shape that they may be accurately manufactured on an economical basis, and, furthermore, by arranging the hook coupling with interengaging clevises, one of which may be removed, I have provided a coupling which may be quickly and securely attached to a hoisting means.

Having thus described my invention, I claim:

1. In a hook coupling, the combination of two interengaging members, one of them having an integral extension passed into an opening in the other, said extension being adapted to be embraced by a chain link in an opening into which the projection ex leaving space, betweenthe mem-,

termedia te the members, and a hook swivel removably supported by the lower portions of said members;

2. hookcouplinglhaving arpair of in terengaging 7 an elongated opening at its upper members, one of the members having 7 end, and theother of said members havlng anlextensioncorresponding in cross-section gaging members, one having and the other an-opening throughwhich the pro ection extends,

to said opening and adaptedto fit said opening when said members are assembled,

3. In a hook coupling, a pair oi interena projection said projection being adapted to{ besurrounded by a chain link intermediate the members,

trunnions extending into them whereby the block is pivoted thereto, oneot said trunnions being screw. threaded beyond the cor- V respondingm'ember, a nut on such screw thread, and .ahook having its shank swiveled inthe block between saidmembers.

e. The comblnation of a pair of members, one having a rigid projection and the other tends, while hers to enable the-projection to'be sur-v permanently securing one of the r rounded by a'chain link, and a hook hav- .30

ing; its shank swlvelly supported by the lower portion of said members by means connected with both members, the connection with the last one of the members being removable to enable the separation of the members, I V :j a v .5. In ahook couplingthe combination of two interengaging members adaptedto supportra hook swivel disposed intermediate of their lower ends, and'meanson said swivel members to the swivel and means removablyasecuring the other of said membersto the swivel.

6. In a hookicoupling, the combination of two interengaging members, one having an extension oblong in cross-section, and apa blockv betweenthe lower portions of the members having proximately normal to the center line of the hook and engaging the other member through a to-oblong opening and having a chain link 'dsposed' intermediate of the two members.

-7. 'A hook coupling, comprising a pair of converging and interengaging members adapted to pivotally support a hook swivel intermediate of their lower portions, one of said membershaving' an integral projection at the upper converging portion thereof, said projection being adaptedto engagea chain link disposedintermediate of the converging portions of said interengaging' mem bers.

8. A hook coupling comprising a pair of converging and. interengaging members adapted intermediate oftheir lower portions, oneof the members being removably V securedqto said hooks swivel, the other of said members having an integral projection at the upper converging portion thereof, 'said'proje'ction' engagingqa chainlink disposed inm loosely V termediate of the converging portions of said interengaging members, and substantially fill the space of said link.

9. A hook coupling comprising a pair orconverging and vinterengaging members adapted. to pivotallvsupport a hook swivel intermediate. of thelr said hook swivel andhaving an opening located in the npperconverging portion there of, the other ofszud members havinganlin ARTHUR; s. REMSBERG;

to .pivotally support a hook swivel 75. I lower portions,.on e ,of 1 the members being removably secured to- 

